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Solution of problem N2903 probability theory
2903. From an urn containing 4 red and 6 black balls, 2 balls are taken out (without returning the first one). What is the probability that both balls are of the same color?
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
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Discount for regular customers! If the total of your purchases from the seller
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